:root{color-scheme:dark;--bg:#09111f;--panel:#101d30;--panel2:#15253a;--border:#243852;--text:#f1f6fd;--muted:#a3b1c3;--cyan:#4dd8e5;--cyan2:#15adc7;--blue:#3656df;--gold:#f9b75a;--radius:20px;--shadow:0 20px 75px rgba(0,0,0,.17)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(ellipse 65% 26% at 71% 1%,rgba(45,110,164,.16),transparent 80%),var(--bg);color:var(--text);font:15px/1.5 system-ui,-apple-system,Segoe UI,Roboto,'Helvetica Neue',Arial,sans-serif}button,input{font:inherit}button{cursor:pointer}button:disabled{opacity:.55;cursor:not-allowed}a{color:inherit}.shell{max-width:1260px;padding:0 26px;margin:auto}.topbar{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:26px 0 23px;border-bottom:1px solid rgba(255,255,255,.08)}.brand{display:flex;align-items:center;gap:13px;text-decoration:none}.brand-mark{display:grid;place-items:center;width:47px;height:47px;color:#081729;background:linear-gradient(135deg,#79eef4,#45adf9);border-radius:13px;box-shadow:0 5px 22px rgba(69,204,233,.25)}.brand-mark svg{width:30px;height:30px}.brand strong{display:block;font-size:22px;letter-spacing:.13em;line-height:1.06}.brand small{display:block;font-size:10px;letter-spacing:.17em;color:#9cb1c9;margin-top:5px}.version{font-size:12px;color:var(--muted);border:1px solid var(--border);border-radius:999px;padding:9px 13px;white-space:nowrap}.version-number{color:#77ecf2}.status-dot{display:inline-block;width:7px;height:7px;background:#4cd6b8;border-radius:50%;margin-right:6px;box-shadow:0 0 12px #4cd6b8}.hero{display:flex;min-height:270px;position:relative;overflow:hidden;align-items:center;justify-content:space-between;padding:45px 0 40px}.hero-copy{z-index:1;max-width:760px}.eyebrow{font-size:11px;letter-spacing:.2em;font-weight:800;color:var(--cyan)}h1{margin:16px 0;font-size:clamp(32px,4.1vw,53px);font-weight:800;line-height:1.11;letter-spacing:-.045em}h1 span{color:var(--cyan)}.hero p{margin:0;max-width:650px;color:var(--muted);font-size:16px;line-height:1.7}.hero-globe{width:220px;min-width:220px;height:220px;position:relative;border-radius:50%;border:1px solid rgba(80,215,240,.13);background:radial-gradient(circle at 45% 40%,rgba(79,210,231,.17),rgba(29,56,87,.08) 55%,transparent 68%);box-shadow:0 0 65px rgba(39,147,202,.11)}.hero-globe:before,.hero-globe:after{content:"";position:absolute;inset:22px;border:1px solid rgba(77,216,229,.16);border-radius:50%;transform:rotate(50deg) scaleX(.3)}.hero-globe:after{transform:rotate(-47deg) scaleX(.3)}.globe-circle{position:absolute;border:1px dashed rgba(77,216,229,.3);border-radius:50%;inset:32px}.circle-b{inset:70px}.globe-center{position:absolute;top:43%;left:44%;font-size:33px;color:var(--cyan)}.globe-point{position:absolute;width:11px;height:11px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 6px #47d4f21d,0 0 18px #4fdff7}.point-a{top:28px;left:85px}.point-b{bottom:25px;right:58px}.tabs{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:0 0 21px}.tab{display:flex;flex-wrap:wrap;align-items:center;gap:9px;text-align:left;color:var(--muted);border:1px solid var(--border);border-radius:15px;background:#0e1b2d;padding:16px 19px;font-size:16px;font-weight:750;transition:.2s}.tab small{color:var(--muted);font-size:12px;font-weight:500;margin-left:auto}.tab .tab-icon{display:grid;place-items:center;background:#1b304a;border-radius:9px;width:32px;height:32px;font-size:20px}.tab.active{background:linear-gradient(110deg,rgba(38,170,208,.2),rgba(24,43,77,.7));border-color:var(--cyan);color:white;box-shadow:inset 0 0 25px rgba(56,202,224,.06)}.tab.active .tab-icon{color:var(--cyan)}.dashboard{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:20px;align-items:start}.controls-column,.results-column{display:grid;gap:20px;min-width:0}.panel{padding:25px;background:linear-gradient(145deg,rgba(18,34,54,.98),rgba(13,26,43,.99));border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);min-width:0}.panel-head{display:flex;gap:10px;align-items:center;justify-content:space-between;margin-bottom:13px}.panel-head>div{display:flex;align-items:center;gap:11px}.step{display:grid;place-items:center;flex:none;width:31px;height:31px;font-size:12px;font-weight:800;background:#183149;border:1px solid #326c88;border-radius:9px;color:var(--cyan)}h2{font-size:19px;letter-spacing:-.02em;margin:0}.chip{font-size:11px;font-weight:650;display:inline-block;white-space:nowrap;padding:6px 10px;border-radius:100px;border:1px solid var(--border)}.chip.neutral{color:#aac0d4;background:#203047}.chip.good{color:#71eac7;background:#163d3a;border-color:#2d7968}.chip.warning{color:#ffcf8a;background:#4b3528;border-color:#846038}.chip.accent{color:#92ecf0;border-color:#2d687c;background:#173448}.muted{color:var(--muted);margin:4px 0 16px;line-height:1.6}.tiny{font-size:12px}.primary,.secondary{display:inline-flex;align-items:center;justify-content:center;gap:10px;border-radius:11px;padding:12px 14px;min-height:47px;font-weight:750;border:1px solid transparent;transition:filter .2s,background .2s}.primary{background:linear-gradient(110deg,#60e2e9,#42baf5);color:#061622;box-shadow:0 5px 22px rgba(55,190,221,.15)}.primary:hover{filter:brightness(1.08)}.secondary{background:#1c3046;color:#dfecfb;border-color:#345169}.secondary:hover{background:#263d58}.full{width:100%}.button-icon{font-size:21px;line-height:1}.status-line{font-size:12px;line-height:1.45;color:#96aabf;margin:10px 0 7px}.status-line.error{color:#ffc48d}.status-line.good{color:#76e9c9}.details-box{margin-top:14px;border-top:1px solid var(--border);padding-top:11px}.details-box summary{cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;color:#d1e4f3;font-size:13px;font-weight:700}.details-box summary::-webkit-details-marker{display:none}.details-box summary>span{color:var(--cyan);font-size:16px}.input-form{display:grid;gap:10px;margin-top:15px}.input-form label,.field-label,.manual-compass label{display:block;font-size:12px;color:#bdcde0;font-weight:650}.input-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}input[type=text],input[type=search]{width:100%;margin-top:6px;background:#0b1728;border:1px solid #354c65;color:white;border-radius:10px;min-height:44px;padding:10px 12px;outline:0}input:focus{border-color:#4bd9e7;box-shadow:0 0 0 3px #4bd9e71d}input::placeholder{color:#647a94}.text-btn{background:none;border:0;color:var(--cyan);font-size:12px;font-weight:700;padding:10px 0 0;text-align:left;text-decoration:underline;text-underline-offset:3px}.coords-display{margin-top:13px;border-radius:11px;border:1px solid #2c6572;background:#14323f;padding:10px 13px}.coords-display span,.coords-display small{display:block;color:#b7cdd5;font-size:11px}.coords-display strong{display:block;font-size:15px;font-variant-numeric:tabular-nums;margin:3px 0}.target-panel{min-height:450px}.search-input{margin:1px 0 11px!important}.transmitters-list{max-height:408px;overflow-y:auto;display:grid;gap:7px;padding-right:3px}.transmitters-list::-webkit-scrollbar{width:6px}.transmitters-list::-webkit-scrollbar-thumb{background:#3c5269;border-radius:10px}.transmitter{display:flex;align-items:center;gap:12px;text-align:left;padding:12px;border:1px solid #2b3c54;background:#112237;border-radius:11px;color:var(--text);width:100%}.transmitter:hover{background:#1b3048}.transmitter.active{background:#193f4b;border-color:var(--cyan)}.tx-logo{font-size:20px;display:grid;place-items:center;border-radius:10px;color:var(--cyan);background:#16354a;min-width:40px;height:42px}.tx-text{min-width:0;flex:1}.tx-text strong{display:block;font-size:13px;line-height:1.35}.tx-text small{display:block;color:#97aac0;font-size:11px;margin-top:3px}.tx-distance{color:#d2edfa;font-size:12px;font-weight:700;white-space:nowrap}.tx-indicator{color:var(--cyan);font-size:18px}.list-loading{color:var(--muted)}.more-btn{margin-top:10px}.custom-box{margin-top:19px}.satellites-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.sat-option{text-align:left;border:1px solid #2b4057;background:#102238;color:#fff;border-radius:12px;padding:14px 11px;min-height:86px}.sat-option.active{border-color:var(--cyan);background:#1b4050}.sat-option strong{display:block;font-size:14px}.sat-option small{color:#a9bacb;display:block;margin-top:4px;font-size:12px}.result-panel{padding-bottom:20px}.result-target{color:#b9cde1;margin:0 0 18px;min-height:22px;font-weight:650}.result-summary{display:grid;grid-template-columns:1fr 1fr;gap:11px}.metric{border-radius:14px;padding:15px 15px 13px;background:#0a192b;border:1px solid #274055}.metric.main-metric{border-color:#2d7886;background:linear-gradient(150deg,#163e4e,#0d2436)}.metric small{display:block;color:#9bb6c9;font-weight:700;font-size:12px}.metric>div{display:flex;align-items:baseline;gap:3px;margin:8px 0 1px}.metric>div>span:first-child{font-size:clamp(30px,3.4vw,47px);line-height:1.1;font-weight:850;letter-spacing:-.04em;font-variant-numeric:tabular-nums}.main-metric>div>span:first-child{color:#64e4eb}.metric .unit{font-size:18px;color:#91b0c7}.metric>span{display:block;color:#93aac0;font-size:10px;line-height:1.5;min-height:32px}.compass-wrap{display:grid;grid-template-columns:minmax(220px,1fr) minmax(175px,.9fr);align-items:center;gap:26px;padding-top:23px}.phone-top{text-align:center;font-size:10px;letter-spacing:.07em;color:#8aa6bc;font-weight:800}.phone-top span{color:var(--gold)}.compass-container{min-width:0}.compass{display:grid;place-items:center;aspect-ratio:1;max-width:320px;width:100%;position:relative;margin:10px auto}.compass:before{content:"";position:absolute;inset:1%;border:1px solid #2b5065;border-radius:50%;background:radial-gradient(circle,#1a344a 0%,#102336 50%,#09182b 65%,#0b1b2e 100%)}.compass-dial{width:93%;height:93%;position:relative;transform:rotate(0deg);transition:transform .16s ease-out;border-radius:50%;z-index:1}.dial-ring{position:absolute;inset:5%;border:2px solid #3d7188;border-radius:50%;box-shadow:inset 0 0 0 16px rgba(58,102,127,.06),0 0 0 2px #11283f}.dial-ring:after{content:"";position:absolute;inset:13%;border:1px dashed #365c72;border-radius:50%}.ticks{position:absolute;inset:0;border-radius:50%;background:repeating-conic-gradient(from 0deg,#5f8da1 0 1deg,transparent 1deg 15deg);-webkit-mask:radial-gradient(transparent 0 81%,#000 82% 85%,transparent 87%);mask:radial-gradient(transparent 0 81%,#000 82% 85%,transparent 87%)}.cardinal{position:absolute;font-size:18px;font-weight:850;text-shadow:0 2px 5px #0a1b2b}.north{top:10%;left:50%;transform:translateX(-50%);color:#ff8575}.east{right:11%;top:50%;transform:translateY(-50%)}.south{bottom:8%;left:50%;transform:translateX(-50%)}.west{left:11%;top:50%;transform:translateY(-50%)}.target-needle{position:absolute;inset:0;transform:rotate(0deg);transition:transform .2s}.needle-shaft{position:absolute;left:calc(50% - 3px);width:6px;top:21%;height:35%;border-radius:4px;background:linear-gradient(0deg,#3d8f96,#57f3e6);box-shadow:0 0 13px #35dddb6b}.needle-head{position:absolute;top:15%;left:calc(50% - 10px);width:0;height:0;border-left:10px solid transparent;border-right:10px solid transparent;border-bottom:0;border-top:21px solid #65ffdb;transform:rotate(180deg)}.needle-tail{position:absolute;left:calc(50% - 4px);width:8px;top:54%;height:27%;background:#2e5970;border-radius:4px}.compass-center{position:absolute;z-index:4;width:19px;height:19px;background:#e8ffff;border:5px solid #19a0ac;border-radius:50%;box-shadow:0 0 0 5px #0e2633}.turn-hint{text-align:center;color:#c8deeb;background:#14283d;border-radius:9px;padding:10px;margin-top:10px;font-size:12px;min-height:38px}.turn-hint.aligned{color:#7bf0ca;background:#163a36}.compass-settings{align-self:start;margin-top:10px}.compass-title{display:flex;align-items:center;justify-content:space-between;gap:7px;margin-bottom:9px}.compass-title strong{font-size:14px}.compass-settings .muted{font-size:12px}.manual-compass{display:grid;gap:10px;margin-top:14px}.manual-compass input{accent-color:var(--cyan);width:100%}.sat-details{margin-top:22px;display:grid;grid-template-columns:1fr 1fr;gap:10px;border-top:1px solid var(--border);padding-top:20px}.sat-details[hidden]{display:none}.sat-details>div{padding:14px;border-radius:11px;background:#142c40;border:1px solid #2c5269}.sat-details small{font-size:11px;color:var(--muted);display:block}.sat-details b{font-size:24px;display:block;margin-top:5px;color:var(--cyan)}.sat-details p{grid-column:1/-1;color:#a9bcd0;font-size:12px;line-height:1.6;margin:5px 0 0}.tx-details{margin-top:17px}.tx-details[hidden]{display:none}.source-row{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:13px 0;border-top:1px solid var(--border);font-size:12px;color:var(--muted)}.source-row a{color:var(--cyan);font-weight:700;text-decoration:none;white-space:nowrap}.copy-btn{margin-top:12px}.map-panel{margin-top:20px}.map-header{margin-bottom:7px}.map{height:400px;border:1px solid #315066;border-radius:12px;overflow:hidden;background:#172b3a;z-index:0}.map-fallback{height:100%;display:grid;place-items:center;text-align:center;padding:25px;color:var(--muted);font-size:14px}.map-legend{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-top:12px;color:var(--muted);font-size:12px}.legend-dot{display:inline-block;border-radius:50%;width:10px;height:10px;margin-right:6px}.user-dot{background:#43dfe9}.tx-dot{background:#faac5c}.map-legend a{color:var(--cyan);margin-left:auto}.notice{display:flex;gap:14px;border:1px solid #5a503d;background:#292a2a;border-radius:14px;padding:18px 20px;margin-top:20px}.notice-icon{display:grid;place-items:center;width:25px;height:25px;border:1px solid var(--gold);color:var(--gold);border-radius:50%;flex:none;font-weight:750}.notice strong{color:#f6d59b}.notice p{margin:5px 0 0;color:#d0cbbf;font-size:12px;line-height:1.65}.footer{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;padding:35px 0;color:#7e96ad;font-size:12px}.footer a{color:#86bdda}.leaflet-container{font-family:inherit}.leaflet-popup-content-wrapper,.leaflet-popup-tip{background:#15283c;color:#f3ffff}.leaflet-popup-content{font-size:13px}.leaflet-popup-content strong{font-size:14px}
@media(max-width:980px){.hero-globe{width:155px;min-width:155px;height:155px}.dashboard{grid-template-columns:1fr}.controls-column{grid-template-columns:1fr 1fr;align-items:start}.target-panel{min-height:0}.compass-wrap{grid-template-columns:1fr 1fr}.shell{padding:0 20px}}
@media(max-width:720px){.shell{padding:0 13px}.topbar{padding:18px 0}.version{font-size:0;padding:9px}.version .status-dot{margin:0}.version-number{display:none}.hero{padding:35px 4px;min-height:auto}.hero-globe{display:none}.hero p{font-size:14px}.tabs{gap:8px}.tab{padding:12px 10px;font-size:13px;gap:6px}.tab small{display:block;width:100%;margin-left:37px;font-size:10px}.tab .tab-icon{width:30px;height:30px}.controls-column{grid-template-columns:1fr}.panel{padding:19px 16px}.panel-head{flex-wrap:wrap}.panel-head h2{font-size:17px}.chip{font-size:10px;padding:5px 8px}.compass-wrap{grid-template-columns:1fr;gap:13px}.compass{max-width:315px}.compass-settings{margin-top:0}.result-summary{grid-template-columns:1fr 1fr}.metric{padding:12px 10px}.metric>div>span:first-child{font-size:34px}.metric .unit{font-size:14px}.metric>span{font-size:10px}.map{height:340px}.footer{padding:27px 2px}}
@media(max-width:380px){.panel-head>div{gap:7px}h2{font-size:16px}.satellites-list{grid-template-columns:1fr 1fr}.tab{font-size:11px}.tab small{margin-left:0}.source-row{display:block}.source-row a{display:block;margin-top:8px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

/* 1.1 — automatic terrestrial transmitter recommendation */
.auto-selector{border:1px solid #31727d;background:linear-gradient(140deg,#163741,#102a3b);border-radius:15px;padding:15px;margin:0 0 19px;box-shadow:inset 0 0 28px #46dfe60b}
.auto-heading{display:flex;align-items:center;gap:10px}
.auto-symbol{display:grid;place-items:center;width:37px;height:37px;flex:none;border-radius:10px;background:#24545c;color:#90ffff;font-size:24px}
.auto-heading>div{flex:1;min-width:0}
.auto-heading strong{font-size:13px;line-height:1.4;display:block;color:#effffb}
.auto-heading small{display:block;color:#a5c6cd;font-size:11px;margin-top:3px}
.auto-flag{font-size:10px;white-space:nowrap;border-radius:999px;border:1px solid #39b89b;padding:5px 8px;color:#81f1cd;background:#17483f;font-weight:800}
.auto-flag.is-manual{color:#ffd6a0;background:#4d362d;border-color:#997554}
.vhf-toggle{display:flex;align-items:flex-start;gap:8px;padding:12px 0 9px;color:#c8dee4;font-size:12px;line-height:1.45;cursor:pointer}
.vhf-toggle input{accent-color:#53e4d0;flex:none;margin:2px 0 0;width:16px;height:16px}
.auto-explanation{color:#ccebf0;font-size:12px;line-height:1.65;margin:3px 0 13px}
.auto-explanation strong{color:#83f9e4}.auto-explanation em{font-style:normal;color:#a0b7c7}
.auto-alternatives{margin-top:13px}.auto-alternatives-title{font-size:11px;color:#a8cdd0;letter-spacing:.04em;font-weight:750;text-transform:uppercase;margin:12px 0 7px}
.alt-tx{width:100%;display:flex;align-items:center;justify-content:space-between;text-align:left;gap:8px;color:#ebf7f8;background:#0e2736;border:1px solid #2b5865;border-radius:9px;padding:10px;margin-top:5px}
.alt-tx:hover{background:#244353}.alt-tx strong{display:block;font-size:12px}.alt-tx small{display:block;font-size:11px;color:#9ebac4;margin-top:4px}.alt-tx>span:last-child{color:#7eece0;font-size:20px}
.mux-analysis{margin:0 0 10px}
.mux-summary{background:#173a41;padding:13px;border:1px solid #34727b;border-radius:11px;margin-bottom:9px}
.mux-summary strong{color:#92f2e5;display:block;font-size:13px}
.mux-summary small{color:#b3d1d4;display:block;font-size:11px;line-height:1.55;margin-top:5px}
.mux-item{border-bottom:1px solid #2e4556;padding:7px 2px}
.mux-item>summary{list-style:none;display:flex;align-items:center;gap:8px;justify-content:space-between;cursor:pointer;padding:5px 0}
.mux-item>summary::-webkit-details-marker{display:none}
.mux-item>summary>span:first-child{font-size:12px;line-height:1.5}
.mux-item strong{font-size:13px;color:#e4f5ff}
.mux-item small{display:block;color:#adc3d4;font-size:11px}
.mux-state{font-size:10px;color:#b6d5e8;text-align:right;max-width:125px;flex:none}
.mux-state.good{color:#83eac4}.mux-state.middle{color:#e7c58e}.mux-state.weak,.mux-state.ignored{color:#99a6b3}
.mux-item p{font-size:11px;color:#b9cad8;line-height:1.6;padding:4px 0 8px;margin:0}
.vhf-note{font-size:11px;color:#f0d29f;line-height:1.6;padding:9px 10px;border:1px solid #6b5c43;background:#2b2b30;border-radius:9px;margin:11px 0 4px}
@media(max-width:420px){.auto-selector{padding:12px}.auto-heading strong{font-size:12px}.auto-heading small{font-size:10px}.auto-symbol{width:30px;height:32px;font-size:20px}}

/* v1.2 — guided animated aiming views (visual simulation or phone compass) */
[hidden]{display:none!important}
.antenna-guide{margin-top:25px;border-top:1px solid #2f5264;padding-top:22px}
.guide-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:7px}
.guide-kicker{font-size:10px;font-weight:800;letter-spacing:.13em;color:#80e5ec}
.guide-head h3{font-size:18px;line-height:1.3;margin:4px 0 0;letter-spacing:-.025em}
.guide-intro{font-size:12px;color:#a9bfce;line-height:1.6;margin:0 0 15px}
.guide-intro strong{color:#e7f5fb}
.guide-scenes{display:grid;grid-template-columns:minmax(0,1fr);gap:13px}
.guide-scene-card{background:linear-gradient(140deg,#102c3d,#0c1c2e);border:1px solid #2d5267;border-radius:14px;padding:13px;min-width:0}
.guide-scene-title{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:12px;color:#cce0ea}
.guide-scene-title b{font-size:23px;letter-spacing:-.04em;color:#70e8f3;font-variant-numeric:tabular-nums;white-space:nowrap}
.guide-az-svg{display:block;width:100%;height:auto;max-width:334px;margin:0 auto 2px;overflow:visible}
.guide-el-svg{display:block;width:100%;height:auto;max-width:390px;margin:20px auto 9px}
.guide-rotatable{transform-box:view-box;transform-origin:160px 149px;transition:transform 1.4s cubic-bezier(.18,.8,.24,1)}
.guide-el-rotatable{transform-box:view-box;transform-origin:99px 184px;transition:transform 1.4s cubic-bezier(.18,.8,.24,1)}
.guide-key{display:flex;flex-wrap:wrap;gap:7px 13px;font-size:10px;line-height:1.4;color:#afc3d2;justify-content:center}
.guide-key span{display:inline-flex;align-items:center;gap:6px}
.guide-key-dot{display:inline-block;width:9px;height:9px;border-radius:50%;flex:none}
.guide-key-dot.cyan{background:#5be8f2}.guide-key-dot.amber{background:#ffc27a}
.guide-hint{padding:10px 11px;border-radius:10px;border:1px solid #415266;background:#1b3044;color:#d5e1eb;font-size:12px;text-align:center;line-height:1.5;min-height:43px;margin:12px 0}
.guide-hint.good{border-color:#277c70;background:#164138;color:#9cf7d5}
.guide-slider-block{display:grid;gap:5px}
.guide-slider-block label{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:11px;color:#c5d7e5}
.guide-slider-block output{font-size:13px;color:#ffce88;font-weight:850;font-variant-numeric:tabular-nums}
.guide-slider-block input{width:100%;accent-color:#ffbc71;min-height:28px;cursor:pointer}
.guide-caution{color:#aebfca;font-size:11px;line-height:1.6;margin:7px 0 0}
.guide-caution strong{color:#fff0c8}
.guide-actions{display:flex;flex-wrap:wrap;gap:9px;margin:13px 0 10px}
.guide-actions button{flex:1;font-size:12px;padding:10px;min-height:43px}
.guide-disclaimer{font-size:11px;line-height:1.6;color:#8faac0;margin:8px 0 0}
.guide-disclaimer strong{color:#bbd0d9}
@media(min-width:1160px){.guide-scenes:has(#guideElevationCard:not([hidden])){grid-template-columns:1fr 1fr}.guide-scenes:has(#guideElevationCard:not([hidden])) .guide-az-svg{max-width:260px}.guide-scenes:has(#guideElevationCard:not([hidden])) .guide-scene-card{padding:10px}.guide-scenes:has(#guideElevationCard:not([hidden])) .guide-scene-title{font-size:11px}.guide-scenes:has(#guideElevationCard:not([hidden])) .guide-scene-title b{font-size:19px}}
@media(max-width:420px){.guide-scene-card{padding:11px}.guide-head h3{font-size:17px}.guide-actions{flex-direction:column}}
@media(prefers-reduced-motion:reduce){.guide-rotatable,.guide-el-rotatable{transition:none!important}}

/* v1.3 - engineering controls and evidence labels */
.model-settings,.terrain-control,.declination-box{margin-top:14px;padding:13px;border:1px solid #2c6272;background:#0e293a;border-radius:12px}
.model-settings-title,.terrain-control>strong{font-size:13px;color:#dff9f8;font-weight:800}
.model-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:10px 0}
.model-grid label,.terrain-control>label:not(.terrain-permission),.declination-box>label{display:grid;gap:6px;font-size:11px;color:#c4dce4;font-weight:700}
.model-grid input,.model-grid select,.terrain-control input[type="number"],.declination-box input{max-width:100%;width:100%;padding:9px 10px;border-radius:8px;background:#142e40;color:#fff;border:1px solid #497386;font-size:13px}
.terrain-control>p,.declination-box p{font-size:11px;line-height:1.55;color:#b4cbd3}
.terrain-permission{display:flex;gap:9px;align-items:flex-start;font-size:11px;line-height:1.5;color:#cbe0e9;margin:11px 0}
.terrain-permission input{width:16px;height:16px;flex:none;margin-top:2px;accent-color:#60d7df}
.terrain-results{font-size:11px;color:#d4f6eb;margin-top:8px}.terrain-results p{margin:7px 0}
.declination-box a{color:#79d7f3}.terrain-control button:disabled{opacity:.55;cursor:not-allowed}
@media(max-width:460px){.model-grid{grid-template-columns:1fr}}

.field-measurement{margin-top:20px;border-top:1px solid #365769;padding-top:18px}
.field-measurement h3{font-size:16px;margin:0}.field-measurement .model-grid{margin:12px 0}
.field-measurement[hidden]{display:none}
.measurement-list{margin:8px 0 0;padding:10px 12px;background:#112a3a;border-radius:9px;color:#b9dbe5;font-size:11px}
.measurement-list p{margin:5px 0}.measurement-list b{color:#83eed5}


/* v1.4 — 3D visual aiming experience */
.antenna-guide-3d{position:relative}
.antenna-guide-3d:before{content:"";position:absolute;inset:-8px -8px auto -8px;height:180px;border-radius:24px;background:radial-gradient(circle at 20% 0%,rgba(94,237,255,.12),transparent 45%),radial-gradient(circle at 80% 10%,rgba(255,190,111,.13),transparent 42%);pointer-events:none}
.antenna-guide-3d .guide-head{position:relative;z-index:1}.antenna-guide-3d .guide-intro{position:relative;z-index:1}
.guide-scene-3d{position:relative;background:linear-gradient(155deg,#112d44 0%,#0b1f34 52%,#081522 100%);border:1px solid #33556d;box-shadow:0 24px 40px rgba(3,10,18,.28), inset 0 1px 0 rgba(255,255,255,.05);overflow:hidden}
.guide-scene-3d:before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.06),transparent 28%,transparent 72%,rgba(0,0,0,.09));pointer-events:none}
.guide-scene-3d:after{content:"";position:absolute;left:10%;right:10%;bottom:-28px;height:56px;border-radius:50%;background:radial-gradient(circle,rgba(0,0,0,.35),transparent 70%);filter:blur(12px);pointer-events:none}
.guide-az-svg-3d,.guide-el-svg-3d{position:relative;filter:drop-shadow(0 20px 30px rgba(0,0,0,.26))}
.guide-scene-3d .guide-scene-title strong{letter-spacing:-.02em}.guide-scene-3d .guide-scene-title b{color:#76edf8;text-shadow:0 0 18px rgba(91,232,242,.18)}
.guide-scene-3d .guide-key{margin-top:2px}.guide-scene-3d .guide-hint{background:linear-gradient(180deg,#18334a,#13283b);border-color:#486172;box-shadow:inset 0 1px 0 rgba(255,255,255,.05)}
.guide-scene-3d .guide-slider-block{margin-top:8px;padding:10px 10px 8px;background:rgba(10,24,38,.42);border:1px solid rgba(76,110,131,.45);border-radius:12px;backdrop-filter:blur(6px)}
.guide-scene-3d .guide-slider-block input{accent-color:#ffbe76}.guide-scene-3d .guide-slider-block output{min-width:52px;text-align:right}
.guide-scene-3d .guide-caution{padding:10px 12px;border-radius:10px;background:rgba(17,28,38,.42);border:1px solid rgba(92,90,65,.55)}
.guide-actions .secondary{box-shadow:0 12px 22px rgba(0,0,0,.18)}
@media(min-width:1160px){.guide-scenes{grid-template-columns:1.15fr 1fr}.guide-scenes #guideElevationCard[hidden]{display:none!important}}
@media(max-width:720px){.guide-scene-3d{padding:12px}.guide-az-svg-3d{max-width:310px}.guide-el-svg-3d{max-width:340px}}


/* v1.5 — more realistic 3D roof / mounting view */
.guide-scene-roof .guide-hint{margin-top:10px}
.guide-roof-svg{display:block;width:100%;height:auto;max-width:390px;margin:6px auto 2px;overflow:visible;filter:drop-shadow(0 18px 28px rgba(0,0,0,.28))}
#guideRoofTargetRotation,#guideRoofAntennaRotation{transform-box:fill-box;transform-origin:center center;transition:transform 1.4s cubic-bezier(.18,.8,.24,1)}
.guide-scene-roof{background:linear-gradient(160deg,#11283d 0%,#0b1c2f 58%,#08131f 100%)}
.guide-scene-roof .guide-scene-title b{color:#8bf3ff}
@media(min-width:1320px){.guide-scenes{grid-template-columns:1.05fr .95fr .95fr}.guide-scenes #guideElevationCard[hidden]{display:none!important}}
@media(max-width:1319px) and (min-width:980px){.guide-scenes{grid-template-columns:1fr 1fr}.guide-scene-roof{grid-column:1 / -1}}